Sieve Calibration Standard 90 microns or No.170
Calibration Standard for 200mm (8") Diameter Sieves, NIST Traceable for 90μm (No.170); 5 bottle set, 1.0g per bottle GET A DISCOUNT WHEN YOU BUY 4 OR MORE
LEAD TIME EST. 3-4 BUSINESS DAYS.
Calibration standards for 3-inch and 100mm diameter sieves are also available. Contact us for a quote.